CN108167200A - Electronic water pump with active cooling channel - Google Patents

Electronic water pump with active cooling channel Download PDF

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Publication number
CN108167200A
CN108167200A CN201810227035.7A CN201810227035A CN108167200A CN 108167200 A CN108167200 A CN 108167200A CN 201810227035 A CN201810227035 A CN 201810227035A CN 108167200 A CN108167200 A CN 108167200A
Authority
CN
China
Prior art keywords
pump
electronic water
water pump
annular space
active cooling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810227035.7A
Other languages
Chinese (zh)
Inventor
郑旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Linglong Automobile Technology Co., Ltd.
Original Assignee
郑旭
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 郑旭 filed Critical 郑旭
Priority to CN201810227035.7A priority Critical patent/CN108167200A/en
Publication of CN108167200A publication Critical patent/CN108167200A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5806Cooling the drive system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/5886Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection

Abstract

The present invention relates to a kind of electronic water pumps with active cooling channel, pump case, outer housing, motor stator, rotor, control panel, pump cover and impeller including tubular, the pump case connects and composes the water pumping room of closing with pump cover, it is indoor that the impeller is arranged on the water pumping, the pump cover is enclosed with the outer housing to be set to form semi-enclosed annular space, the rotor and motor stator are arranged in the annular space, and several cooling chambers are additionally provided in the annular space;The control panel drives the motor stator to form magnetic field, and the rotor and impeller is driven to rotate.The electronic water pump is by setting the cooling chamber communicated with pumping room, the temperature of motor stator shell is taken away by coolant with flow in pump with the mode that thermal natural convection is combined, without additional energy consumption equipment, due to using the cold design of liquid, electric machine rotor temperature can be less than ambient temperature, ensure that motor is operated in optimum state.

Description

Electronic water pump with active cooling channel
Technical field
The present invention relates to a kind of electronic water pumps with active cooling channel, belong to field of vehicle equipment.
Background technology
The layout of automobile dynamic system tends to densification, and a large amount of heat sources concentrate in together, thus the performance of its cooling system Directly affect the reliability of whole system.For electronic water pump, one is the need to ensure that the efficient of hydraulic performance, can guarantee The flow that being provided with minimum energy needs exports;Two are the need to ensure that as the few as possible outwardly production in itself of water pump and its motor Heat radiates, and existing conventional design is difficult to solve the problems, such as this.
Existing electronic vehicle water pump is mainly used for the heat management of power original paper (such as engine, motor, accumulator etc.) In system, usually up to 80 DEG C to 150 DEG C of residing environment temperature, the radiating condition very severe of motor.Traditional design is joined According to common electric machine mostly using cooling fin scheme, but still it is difficult to control temperature in more rational range.Thus electric efficiency is brought Lowly, the problems such as reliability decrease, material cost is excessively high.
Meanwhile the prior art generally sets cooling fin for the heat dissipation design of electronic water pump for automobile motor in stator case It realizes passive heat dissipation, the designing scheme from general industry motor is substantially used for reference, not in view of residing for electronic water pump for automobile High environment temperature special circumstances, therefore cause radiating efficiency bad, motor temperature is far above optimal operating temperature (because of nothing Method is less than environment temperature), and it is possible that the problems such as permanent magnet is brought to demagnetize.On the other hand, the heat being dispersed into the external world is anti- Come over to make the working environment of power source to become more severe, produce reciprocal effect.
Invention content
It is simple in structure the purpose of the present invention is to provide a kind of electronic water pump with active cooling channel, it can realize electricity Sub- pump motor effectively radiates, meanwhile, ensure that outwardly environment does not generate heat radiation to pump motor.
In order to achieve the above objectives, the present invention provides following technical solution:Pump case, outer housing, motor stator including tubular, Rotor, control panel, pump cover and impeller, the pump case connect and compose the water pumping room of closing, the impeller setting with pump cover Interior is pumped described, the pump cover is enclosed with the outer housing to be set to form semi-enclosed annular space, the rotor and electricity Machine stator is arranged in the annular space, is additionally provided with several cooling chambers in the annular space, described in the cooling chamber connection Pump room;The control panel drives the motor stator to form magnetic field, and the rotor and impeller is driven to rotate.
Further, the pump cover includes several fin rings, and the fin ring is arranged in the annular space and by portion The annular space is divided to be divided into several cooling chambers.
Further, the fin ring is set along the circumferencial direction of the annular space, and the fin ring includes ring part And blades, the ring part are circumferentially disposed at along the annular space on the inside of the annular space, the blades The pump shaft direction for being parallel to the electronic water pump is arranged between the ring part and pump cover, to reduce the system of the electronic water pump Difficulty is made, reduces production cost.
Further, the cooling chamber is in semi-closed structure, and the openend of the cooling chamber is arranged on towards the water pumping Room side is to connect the water pumping room.
Further, the radial thickness of the cooling chamber is 0.1 times of motor stator outer diameter, and the depth of the cooling chamber is 0.2 times of motor stator outer diameter, to ensure that the cooling chamber has higher cooling efficiency.
Further, the rotor is mounted on by mandrel in the annular space, and the mandrel is also connected with described Impeller.
Further, the electronic water pump with active cooling channel further includes axle envelope and Bearing with multiple rows of balls, the axle envelope and Bearing with multiple rows of balls is arranged on the mandrel both sides, and the axle envelope is set, and described relative to the Bearing with multiple rows of balls close to the impeller Axle envelope connects the pump cover to seal one end of the annular space.
Further, the electronic water pump with active cooling channel further includes electric panel room, and the control panel is arranged on institute It states in electric panel room.
Further, the pump cover metal or composite material high for thermal conductivity factor, preferably aluminium.
Further, the outer housing is selected from the low metal or composite material of thermal conductivity factor, preferably polyphenylene sulfide or poly- Carbonic ester.
The beneficial effects of the present invention are:The electronic water pump with active cooling channel of the present invention is by setting with pumping room The temperature of motor stator shell is passed through coolant band by the cooling chamber communicated with flow in pump with the mode that thermal natural convection is combined It walks, without additional energy consumption equipment, due to using the cold design of liquid, electric machine rotor temperature can be less than ambient temperature, protect Card motor is operated in optimum state.
Also, the double Shell design that the electronic water pump with active cooling channel uses makes the heat radiation of motor will not be straight It connects in the external environment distributed, avoids and other power original papers are had an impact.Global design is simple in structure, without special material And technique, manufacturability is high, and cost of implementation is low.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after attached drawing is coordinated to be described in detail such as.
Description of the drawings
Fig. 1 is the structure diagram of the electronic water pump with active cooling channel shown in one embodiment of the invention;
Fig. 2 is the part-structure schematic diagram of electronic water pump shown in FIG. 1;
Fig. 3 is the principle schematic that electronic water pump realizes cooling.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below Example is used to illustrate the present invention, but be not limited to the scope of the present invention.
Fig. 1 and Fig. 2 are referred to, the electronic water pump with active cooling channel shown in one embodiment of the invention includes tubular Pump case 1, outer housing 2, rotor 3, motor stator 4, control panel (not shown), pump cover 5 and impeller 6, the pump case 1 and pump Lid 5 connects and composes the water pumping room 11 of closing, and the impeller 6 is arranged in the water pumping room 11, the pump cover 5 and the outer housing 2 enclose and set to form semi-enclosed annular space 21, and the rotor 3 and motor stator 4 are arranged in the annular space 21, institute Stating control panel drives the motor stator 4 to form magnetic field, so as to which the rotor 3 and impeller 6 be driven to rotate.The motor turns Son 3 is mounted on by mandrel 7 in the annular space 21, and the mandrel 7 is also connected with the impeller 6.
In the present embodiment, the pump cover 5 includes several fin rings 51, and the fin ring 51 is arranged on the annular space Several cooling chambers 22 are divided into 21 and by the part annular space 21.The cooling chamber 22 is in semi-closed structure, and described The openend of cooling chamber 22 is arranged on towards water pumping 11 side of room to connect the water pumping room 11.
In the present embodiment, the fin ring 51 is set along the circumferencial direction of the annular space 21, the fin ring 51 Including ring part 511 and blades 512, the ring part 511 is circumferentially disposed at the ring along the annular space 21 21 inside of shape space, the pump shaft direction that the blades 512 is parallel to the electronic water pump are arranged on the ring part 511 and pump Between lid 5, to reduce the manufacture difficulty of the electronic water pump, production cost is reduced.
In the present embodiment, the number of the blades 512 is 16, and the radial thickness of the cooling chamber 22 is 0.1 times Motor stator outer diameter, the depth of the cooling chamber is 0.2 times of motor stator outer diameter, to ensure that it is higher that the cooling chamber has Cooling efficiency.Really, in other embodiments, the number of the fin ring, setting direction, thickness and depth all can be according to realities Border situation is selected, and the inventor that is set as proposed by the invention is obtained by several contrived experiment results, is had more excellent Elegant cooling performance, while its manufacture is at low cost.
In the present embodiment, the electronic water pump with active cooling channel further includes axle envelope 8 and Bearing with multiple rows of balls 9, described Axle envelope 8 and Bearing with multiple rows of balls 9 are arranged on 7 both sides of mandrel, and the axle envelope 8 is relative to the Bearing with multiple rows of balls 9 close to the impeller 6 Setting, and the axle envelope 8 connects the pump cover 5 to seal one end of the annular space 21.
In the present embodiment, the pump cover 5 and fin ring 51 are the high metal or composite material of thermal conductivity factor, preferably aluminium Material, so as to ensure that the heat of motor generation can be greatly reduced in cooling chamber 22;The outer housing 2 is selected from the low gold of thermal conductivity factor Category or composite material, preferably polyphenylene sulfide or makrolon, to realize that motor is thermally isolated with extraneous.
In the present embodiment, the electronic water pump with active cooling channel further includes electric panel room (not shown), the control Making sheet is arranged in the electric panel room.
Incorporated by reference to Fig. 3, when electronic water pump is run, annular water flow 12 is formed in pump case 1, the annular water flow 12 is cold simultaneously But fluid swirling 13 is formed in chamber 22, while the heat that motor stator 3 generates is heated the water in cooling chamber 22, generates nature Thermal convection current, the convection current further promote vortex 13, so as to which fluid exchange in heat and pump to be realized to the effect of heat dissipation.
In summary:The electronic water pump with active cooling channel of the present invention is by setting the cooling communicated with pumping room Chamber is taken away the temperature of motor stator shell by coolant with flow in pump with the mode that thermal natural convection is combined, without volume Outer energy consumption equipment, due to using the cold design of liquid, electric machine rotor temperature can be less than ambient temperature, ensure motor work In optimum state.
Also, the double Shell design that the electronic water pump with active cooling channel uses makes the heat radiation of motor will not be straight It connects in the external environment distributed, avoids and other power original papers are had an impact.Global design is simple in structure, without special material And technique, manufacturability is high, and cost of implementation is low.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of electronic water pump with active cooling channel, which is characterized in that pump case, outer housing, motor stator including tubular, Rotor, control panel, pump cover and impeller, the pump case connect and compose the water pumping room of closing, the impeller setting with pump cover Interior is pumped described, the pump cover is enclosed with the outer housing to be set to form semi-enclosed annular space, the rotor and electricity Machine stator is arranged in the annular space, is additionally provided with several cooling chambers in the annular space, described in the cooling chamber connection Pump room;The control panel drives the motor stator to form magnetic field, and the rotor and impeller is driven to rotate.
2. the electronic water pump as described in claim 1 with active cooling channel, which is characterized in that the pump cover includes several wings Loop, the fin ring are arranged in the annular space and the part annular space are divided into several cooling chambers.
3. the electronic water pump as claimed in claim 2 with active cooling channel, which is characterized in that the fin ring is along the ring The circumferencial direction setting in shape space, the fin ring include ring part and blades, and the ring part is along the annular space It is circumferentially disposed on the inside of the annular space, the pump shaft direction that the blades is parallel to the electronic water pump is arranged on institute It states between ring part and pump cover.
4. the electronic water pump with active cooling channel as described in claim 1 or 3, which is characterized in that the cooling chamber is in half Enclosed construction, the openend of the cooling chamber are arranged on towards the water pumping room side to connect the water pumping room.
5. the electronic water pump with active cooling channel as described in claim 1 or 3, which is characterized in that the diameter of the cooling chamber To the motor stator outer diameter that thickness is 0.1 times, the depth of the cooling chamber is 0.2 times of motor stator outer diameter.
6. the electronic water pump with active cooling channel as described in claim 1 or 3, which is characterized in that the pump cover is heat conduction Coefficient high metal or composite material.
7. the electronic water pump with active cooling channel as described in claim 1 or 3, which is characterized in that the outer housing is selected from Thermal conductivity factor low metal or composite material.
8. the electronic water pump with active cooling channel as described in claim 1 or 3, which is characterized in that the rotor leads to Mandrel is crossed in the annular space, the mandrel is also connected with the impeller.
9. the electronic water pump as claimed in claim 8 with active cooling channel, which is characterized in that the band active cooling channel Electronic water pump further include axle envelope and Bearing with multiple rows of balls, the axle envelope and Bearing with multiple rows of balls are arranged on the mandrel both sides, the axle envelope It is set relative to the Bearing with multiple rows of balls close to the impeller, and the axle envelope connects the pump cover to seal the annular space One end.
10. the electronic water pump with active cooling channel as described in claim 1 or 3, which is characterized in that the band active cooling The electronic water pump of channel further includes electric panel room, and the control panel is arranged in the electric panel room.
CN201810227035.7A 2018-03-20 2018-03-20 Electronic water pump with active cooling channel Pending CN108167200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810227035.7A CN108167200A (en) 2018-03-20 2018-03-20 Electronic water pump with active cooling channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810227035.7A CN108167200A (en) 2018-03-20 2018-03-20 Electronic water pump with active cooling channel

Publications (1)

Publication Number Publication Date
CN108167200A true CN108167200A (en) 2018-06-15

Family

ID=62512191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810227035.7A Pending CN108167200A (en) 2018-03-20 2018-03-20 Electronic water pump with active cooling channel

Country Status (1)

Country Link
CN (1) CN108167200A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374836A (en) * 2019-06-12 2019-10-25 同济大学 A kind of constant-temp. electronic water pump
CN110805561A (en) * 2019-10-28 2020-02-18 河北深海电器有限公司 Pump and hydrogen energy battery automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374836A (en) * 2019-06-12 2019-10-25 同济大学 A kind of constant-temp. electronic water pump
CN110805561A (en) * 2019-10-28 2020-02-18 河北深海电器有限公司 Pump and hydrogen energy battery automobile

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Legal Events

Date Code Title Description
PB01 Publication
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20180620

Address after: 215000 6-901-87 unit, creative industry park, 328 Xing Hu Street, Suzhou Industrial Park, Suzhou, Jiangsu.

Applicant after: Suzhou Linglong Automobile Technology Co., Ltd.

Address before: 215000 Hyde Park, 6, 1703, Hyde Park, Jiangsu.

Applicant before: Zheng Xu

SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination